Gupta, J. (2019). Utilization of Electric Power and Electric Traction (10th.). Katson Books.
Lua i Stíl Chicago (17ú heag.)Gupta, J.B. Utilization of Electric Power and Electric Traction. 10th. New Delhi: Katson Books, 2019.
Lua MLA (9ú heag.)Gupta, J.B. Utilization of Electric Power and Electric Traction. 10th. Katson Books, 2019.
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